great anteater vs ant bear

great anteater and ant bear both are nouns.

Word	Noun	Adjective	Verb	Adverb
great anteater	Yes	No	No	No
ant bear	Yes	No	No	No

As nouns, great anteater and ant bear are synonyms defined as:

great anteater and ant bear: large shaggy-haired toothless anteater with long tongue and powerful claws; of South America

Other synonyms of great anteater include giant anteater, Myrmecophaga jubata, tamanoir.

great anteater (noun)	ant bear (noun)
large shaggy-haired toothless anteater with long tongue and powerful claws; of South America	nocturnal burrowing mammal of the grasslands of Africa that feeds on termites; sole extant representative of the order Tubulidentata
	large shaggy-haired toothless anteater with long tongue and powerful claws; of South America